{"id":"MAL-2026-6780","summary":"Malicious code in @marketfront/footer (npm)","details":"The @marketfront/footer package is part of a 25-package malicious campaign batch-published to the @marketfront npm scope by npm user 'marketfront' (marketfront@tutamail.com) within a roughly 3-minute window on 2026-07-01. All packages in the campaign were published at version 7.0.0 and use e-commerce/marketing frontend component names as cover.\n\nThe package declares a postinstall hook (node scripts/postinstall.js) that executes heavily obfuscated (obfuscator.io-style) code automatically at npm install time. Static analysis of the decoded payload revealed a credential harvester that dynamically requires fs, os, http, https, zlib, path and dns, then reads approximately 20 sensitive credential files including ~/.ssh, ~/.aws/credentials, ~/.kube/config, ~/.docker/config.json, ~/.npmrc, ~/.netrc, ~/.pgpass, ~/.git-credentials, ~/.env and ~/.bash_history. Collected data is exfiltrated via a gzip-compressed HTTPS POST with a custom X-Secret header to the path /api/v1/events, alongside a DNS resolver beacon. The command-and-control host is concealed behind an additional RC4+XOR encryption layer around an embedded configuration blob and was not statically resolved.\n\nThe decoded behavioral payload (module requires, credential-file target list, exfiltration headers and endpoint) is byte-for-byte identical across sampled packages in the campaign. The campaign shares tooling and infrastructure patterns (obfuscated postinstall credential harvester, X-Secret header, /api/v1/events exfiltration path, RC4-concealed C2) with the earlier @emcd-vue campaign, indicating the same actor rotating scopes and disposable maintainer emails.\n\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: amazon-inspector (df4b30bc8f0ba99a70d152a0b6aa01a9acc3605505c3c3c31c8c03cc5ea4a639)\nOn `npm install`, scripts/postinstall.js — a 160KB obfuscator.io-style bundle with an RC4-decoded string array and runtime-assembled identifiers — collects installer-side secrets and host identity and tunnels them out over DNS to an attacker-controlled resolver. Data collection covers the entirety of `process.env` (bulk CI/build secrets such as AWS_*, GITHUB_TOKEN, NPM_TOKEN, database credentials), host identifiers from `os.userInfo()`/`os.hostname()`/`os.networkInterfaces()`, Windows environment variables (USERDOMAIN, COMPUTERNAME, APPDATA, LOCALAPPDATA, TEMP, PROGRAMDATA, PROCESSOR_ARCHITECTURE), and the contents of well-known home-directory secret files including ~/.aws, ~/.ssh, ~/.npmrc, ~/.docker, ~/.gitconfig, ~/.netrc, and browser/shell profile paths. The harvested payload is JSON-serialized, gzipped via `zlib.gzipSync`, XOR-keyed, base32-encoded, split into 50-character chunks, and each chunk is emitted as a DNS TXT query of the form `\u003cseq\u003e.\u003ctotal\u003e.\u003cidx\u003e.\u003crand\u003e.\u003csubdomain\u003e.\u003cattacker-host\u003e` using a `dns.Resolver`'s `resolveTxt` — a channel specifically chosen to bypass HTTP egress filtering common on CI/build networks. The package's declared purpose (\"internal database utilities with connection pooling, query builder and migration support\") is a cover story: `main` points at `dist/index.js`, which only re-exports an absent `src/index.js`, so the tarball ships no functional library code — only the obfuscated postinstall. The `@marketfront` scope and `marketfront.io` publisher metadata additionally have the shape of an internal-name impersonation targeting a specific organization (dependency-confusion pattern).\n","modified":"2026-07-06T05:16:45.838801295Z","published":"2026-07-02T00:00:00Z","database_specific":{"malicious-packages-origins":[{"sha256":"df4b30bc8f0ba99a70d152a0b6aa01a9acc3605505c3c3c31c8c03cc5ea4a639","versions":["7.0.0"],"modified_time":"2026-07-06T03:20:38Z","import_time":"2026-07-06T04:58:10.840028565Z","source":"amazon-inspector","id":"IN-MAL-2026-008028"}]},"references":[{"type":"REPORT","url":"https://safedep.io/marketfront-dependency-confusion-campaign/"},{"type":"PACKAGE","url":"https://www.npmjs.com/package/@marketfront/footer/v/7.0.0"}],"affected":[{"package":{"name":"@marketfront/footer","ecosystem":"npm","purl":"pkg:npm/%40marketfront%2Ffooter"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"}]}],"versions":["7.0.0"],"database_specific":{"source":"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/@marketfront/footer/MAL-2026-6780.json","indicators":{"package_integrity":[{"hashes":{"sha512_sri":"sha512-kU6WdgMmnxC88co79l8AcO2c8YSrL/aV0x+jlCedBGW8Ag3i7a15gbyZucAOPFio9d6TaY2ZPpNpx7aSlZbcxA==","sha1":"351482b6eb859fe93d00aa316a70c8e4f52e3feb"},"filename":"footer-7.0.0.tgz"}],"evidence_files":[{"sha256":"d8725facfc168ead9c030bd14e81cfb65b19696ee1605c83261197320b1d3c7e","tlsh":"72f3cb892740d447d89fdeff7e61e6f4e11a7cc2c3c0244af714b96cf89852a9a48b81","path":"scripts/postinstall.js"},{"sha256":"f15c779a9b1cfc00c16a2798e6b389d675088f1c45481bad8a16c9df0fa9f1b7","tlsh":"d1118c31e6228c2336d525dbbd751942b8355d2f0595fc2973c2816c4b8e16a70fe73d","path":"package.json"}]},"cwes":[{"cweId":"CWE-506","description":"The product contains code that appears to be malicious in nature.","name":"Embedded Malicious Code"},{"cweId":"CWE-506","description":"The product contains code that appears to be malicious in nature.","name":"Embedded Malicious Code"}]}}],"schema_version":"1.7.5","credits":[{"name":"Amazon Inspector","contact":["inspector-research@amazon.com"],"type":"FINDER"},{"name":"SafeDep","contact":["https://safedep.io"],"type":"FINDER"}]}